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cli_handler_test.go
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99 lines (74 loc) · 2.5 KB
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// Copyright © 2019 The Things Network Foundation, The Things Industries B.V.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package log
import (
"bufio"
"bytes"
"os"
"testing"
"time"
"github.com/smartystreets/assertions"
)
func TestHandlerNewCLIColors(t *testing.T) {
a := assertions.New(t)
var b bytes.Buffer
w := bufio.NewWriter(&b)
// COLORTERM= TERM= does not enable colors
os.Setenv("COLORTERM", "")
os.Setenv("TERM", "")
a.So(NewCLI(w).UseColor, assertions.ShouldBeFalse)
// COLORTERM=0 forces colors off
os.Setenv("COLORTERM", "0")
os.Setenv("TERM", "colorterm")
a.So(NewCLI(w).UseColor, assertions.ShouldBeFalse)
// TERM with correct substring turns colors on
os.Setenv("COLORTERM", "")
os.Setenv("TERM", "colorterm")
a.So(NewCLI(w).UseColor, assertions.ShouldBeTrue)
// TERM with correct substring turns colors on
os.Setenv("COLORTERM", "")
os.Setenv("TERM", "xterm")
a.So(NewCLI(w).UseColor, assertions.ShouldBeTrue)
// COLORTERM=1 turns colors on
os.Setenv("COLORTERM", "1")
os.Setenv("TERM", "")
a.So(NewCLI(w).UseColor, assertions.ShouldBeTrue)
// COLORTERM=1 turns colors on
os.Setenv("COLORTERM", "1")
os.Setenv("TERM", "")
// but UseColor(false) turns it off again
a.So(NewCLI(w, UseColor(false)).UseColor, assertions.ShouldBeFalse)
// COLORTERM=1 turns colors off
os.Setenv("COLORTERM", "0")
os.Setenv("TERM", "")
// but UseColor(true) turns it off again
a.So(NewCLI(w, UseColor(true)).UseColor, assertions.ShouldBeTrue)
}
func TestHandlerHandleLog(t *testing.T) {
a := assertions.New(t)
var b bytes.Buffer
w := bufio.NewWriter(&b)
handler := NewCLI(w, UseColor(false))
err := handler.HandleLog(&entry{
message: "Foo",
level: DebugLevel,
time: time.Now(),
fields: Fields("a", 10, "b", "bar", "c", false, "d", 33.4),
})
a.So(err, assertions.ShouldBeNil)
str := " DEBUG Foo a=10 b=bar c=false d=33.4\n"
err = w.Flush()
a.So(err, assertions.ShouldBeNil)
a.So(b.String(), assertions.ShouldEqual, str)
}